Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 4 am Thu 06 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Warm (max 28°C on Thu afternoon, min 15°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Tue night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
7000
5900
8900
8650
9200
6700
km/h
5
W
5
W
0
ESE
5
WSW
5
W
0
ESE
5
WSW
5
W
0
ENE
5
WNW
5
W
5
NNE
5
W
5
WSW
0
ESE
5
SW
5
WSW
0
E
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
25
28
23
23
26
21
20
21
19
21
24
19
21
23
19
19
21
17
min °C
22
27
19
20
25
17
18
21
15
17
23
16
18
23
15
16
21
13
 chill °C
22
27
19
20
25
17
18
21
15
17
23
16
18
23
15
16
21
13
Freezing level m
4500
4550
4500
4400
4350
4350
4150
4150
4150
4050
4000
3800
3850
4000
4100
3900
3850
3800
Sea lvl1000m2000m3000m4000m5000m
141615131313111111101111101111999172018161716131314131514131514121212242821222619192117192418202317182115
Sunrise
5:48
5:48
5:50
5:52
5:52
5:54
Sunset
8:37
8:37
8:35
8:32
8:31
8:30

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Warm (max 28°C on Thu afternoon, min 15°C on Sat night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Tue night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
34 km WSW
100m alt.
2 hours ago
12° C
Dry
0
Calm
(0 kph at 0).
0
SHIP7541
38 km WSW
15m alt.
2 hours ago
- km
41 km SSW
219m alt.
1 hour ago
13° C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
14 km
Low: scattered
Mid: overcast
Bellingham Airport
41 km W
219m alt.
1 hour ago
12° C
clear
-
0
Calm
(0 kph at 0).
11 km
SHIP8429
38 km WSW
15m alt.
3 hours ago
- km
SHIP1943
38 km WSW
15m alt.
2 hours ago
- km
SHIP2680
38 km WSW
15m alt.
3 hours ago
- km
SHIP1393
38 km WSW
3m alt.
3 hours ago
SHIP8496
40 km SW
15m alt.
3 hours ago
- km
SHIP7595
40 km SW
15m alt.
2 hours ago
- km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.